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<!-- Copyright (C) 2003 Red Hat, Inc. --><!-- This material may be distributed only subject to the terms --><!-- and conditions set forth in the Open Publication License, v1.0 --><!-- or later (the latest version is presently available at --><!-- http://www.opencontent.org/openpub/). --><!-- Distribution of the work or derivative of the work in any --><!-- standard (paper) book form is prohibited unless prior --><!-- permission is obtained from the copyright holder. --><HTML><HEAD><TITLE>bind</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="TCP/IP Library Reference"HREF="tcpip-library-reference.html"><LINKREL="PREVIOUS"TITLE="accept"HREF="net-common-tcpip-manpages-accept.html"><LINKREL="NEXT"TITLE="connect"HREF="net-common-tcpip-manpages-connect.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="net-common-tcpip-manpages-accept.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 38. TCP/IP Library Reference</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="net-common-tcpip-manpages-connect.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="NET-COMMON-TCPIP-MANPAGES-BIND">bind</H1><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">BIND(2) System Calls Manual BIND(2)NAME bind - bind a name to a socketSYNOPSIS #include <sys/types.h> #include <sys/socket.h> int bind(int s, const struct sockaddr *name, socklen_t namelen);DESCRIPTION bind() assigns a name to an unnamed socket. When a socket is created with socket(2) it exists in a name space (address family) but has no name assigned. bind() requests that name be assigned to the socket.NOTES Binding a name in the UNIX domain creates a socket in the file system that must be deleted by the caller when it is no longer needed (using unlink(2)). The rules used in name binding vary between communication domains. Con- sult the manual entries in section 4 for detailed information.RETURN VALUES If the bind is successful, a 0 value is returned. A return value of -1 indicates an error, which is further specified in the global errno.ERRORS The bind() call will fail if: [EBADF] S is not a valid descriptor. [ENOTSOCK] S is not a socket. [EADDRNOTAVAIL] The specified address is not available from the local machine. [EADDRINUSE] The specified address is already in use. [EINVAL] The socket is already bound to an address. [EINVAL] The family of the socket and that requested in name->sa_family are not equivalent. [EACCES] The requested address is protected, and the current user has inadequate permission to access it. [EFAULT] The name parameter is not in a valid part of the user address space. The following errors are specific to binding names in the UNIX domain. [ENOTDIR] A component of the path prefix is not a directory. [ENAMETOOLONG] A component of a pathname exceeded {NAME_MAX} charac- ters, or an entire path name exceeded {PATH_MAX} char- acters. [ENOENT] A prefix component of the path name does not exist. [ELOOP] Too many symbolic links were encountered in translat- ing the pathname. [EIO] An I/O error occurred while making the directory entry or allocating the inode. [EROFS] The name would reside on a read-only file system. [EISDIR] An empty pathname was specified.SEE ALSO connect(2), getsockname(2), listen(2), socket(2)HISTORY The bind() function call appeared in 4.2BSD.BSD February 15, 1999 BSD </PRE></TD></TR></TABLE></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="net-common-tcpip-manpages-accept.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="net-common-tcpip-manpages-connect.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">accept</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="tcpip-library-reference.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">connect</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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